Barangay Maglaoi Sur

Situated in Currimao, Ilocos Norte, Barangay Maglaoi Sur is one of 23 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Maglaoi Sur had a population of 543. This made it the 10th largest of 23 barangays in Currimao by population, placing it in the middle tier of the municipality. Residents of Barangay Maglaoi Sur accounted for approximately 4.45% of the total population of Currimao, which stood at 12,215 in the same census year.

The barangay recorded 541 residents in the 2015 intercensal count and 543 residents in the 2020 Census — a net change of +0.4%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Maglaoi Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Currimao is a municipality comprising 23 barangays, and serves as the governing unit directly responsible for local services in Barangay Maglaoi Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Maglaoi Sur ranks 479th by 2020 population. Ilocos Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Maglaoi Sur is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.